Journal of the Franklin InstituteFranklin Institute, 1851 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-1859. cf. Index to v. 1-120 of the Journal, p. [415] |
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Page 2
... taken from the rock excavations on the line . All the river turnings have stood the test of the spring and summer fresh- ets remarkably well , except the one in Middlesex , and the one in Water- bury , neither of which were finished at ...
... taken from the rock excavations on the line . All the river turnings have stood the test of the spring and summer fresh- ets remarkably well , except the one in Middlesex , and the one in Water- bury , neither of which were finished at ...
Page 7
... taken from the gross power of the engine , it follows that the smaller the blast - pipe is in proportion to the total heating surface of the boiler , the greater will be the resistance to the action of the piston , and the greater the ...
... taken from the gross power of the engine , it follows that the smaller the blast - pipe is in proportion to the total heating surface of the boiler , the greater will be the resistance to the action of the piston , and the greater the ...
Page 10
... taken of the flue surface before the heated air reached the chimney . Whether long tubes or short tubes as applied to locomotives were most advantageous , was a question not yet decided , and he thought they had scarcely data enough to ...
... taken of the flue surface before the heated air reached the chimney . Whether long tubes or short tubes as applied to locomotives were most advantageous , was a question not yet decided , and he thought they had scarcely data enough to ...
Page 21
... taken , for sale or use , either by casting , moulding , embossing , or in any manner , or with any material whatever in bas - relievo , or by copies to be taken , by painting , drawing , sketching , etching , engraving on wood or metal ...
... taken , for sale or use , either by casting , moulding , embossing , or in any manner , or with any material whatever in bas - relievo , or by copies to be taken , by painting , drawing , sketching , etching , engraving on wood or metal ...
Page 27
... taken off , for the purpose of turning the reverse face to the plank or timber , whenever the teeth on one side have become worn , dulled , or out of set from long usage against the timber . " 2d , The clearing cutters n n n , in ...
... taken off , for the purpose of turning the reverse face to the plank or timber , whenever the teeth on one side have become worn , dulled , or out of set from long usage against the timber . " 2d , The clearing cutters n n n , in ...
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Common terms and phrases
action angle apparatus applied arrangement attached axis bituminous blades blast blast furnace boiler carriage cast iron cent centre centrifugal force chord circuit claim therein coal combination condenser connected connexion construction Coulaine cubic curved cutters cylinder deflexion diameter distance effect electric telegraph electricity engine equal experiments feet flues force frame Franklin Institute furnace generatrix gutta percha heat Improvement increased indicator diagrams invention consists Journal length lever machine magnet manner mastic material means metal miles motion operation paddle passing patent pipe piston placed plane plate present pressure produced propeller proportion pump purpose rails railway revolutions per minute roadway rollers screw shaft side slide spring square inch steam steam engine steamers Stoves stroke substantially as described surface tangential angle telegraph temperature thickness tion tons tube valve velocity vertical vessel weight wheel wire wrought iron York